Added get_dir_file_info(), get_file_info(), and get_mime_by_extension() to the File Helper.

Changed ( ! condition) into (! condition) within the code
diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php
index 82fe36b..20e34ec 100644
--- a/system/database/drivers/odbc/odbc_driver.php
+++ b/system/database/drivers/odbc/odbc_driver.php
@@ -152,7 +152,7 @@
 	 */	

 	function trans_begin($test_mode = FALSE)

 	{

-		if ( ! $this->trans_enabled)

+		if (! $this->trans_enabled)

 		{

 			return TRUE;

 		}

@@ -181,7 +181,7 @@
 	 */	

 	function trans_commit()

 	{

-		if ( ! $this->trans_enabled)

+		if (! $this->trans_enabled)

 		{

 			return TRUE;

 		}

@@ -207,7 +207,7 @@
 	 */	

 	function trans_rollback()

 	{

-		if ( ! $this->trans_enabled)

+		if (! $this->trans_enabled)

 		{

 			return TRUE;

 		}